CSK Auto Corp. to Announce Fourth Quarter and Fiscal 2004 Financial Results

PHOENIX--May 2, 2005--On Tuesday, May 3, 2005, CSK Auto Corp. will issue a release with its fourth quarter and fiscal 2004 financial results after market close, and invites investors to listen to a broadcast of the company's conference call that will follow at 5 p.m. (ET).

Investors may listen to a simultaneous webcast of the conference call at www.cskauto.com. Click on "Investors," then click "Conference Call." This webcast will be archived for five days. Interested parties may hear a replay of the conference call from 7 p.m. (ET) Tuesday, May 3, 2005, through 8 p.m. (ET) Wednesday, May 4, 2005, by dialing 888-266-2081 and using passcode 698897. (If retrieving digital replay outside of the United States, please dial 703-925-2533, passcode 698897.)

CSK Auto Corp. is the parent company of CSK Auto Inc., a specialty retailer in the automotive aftermarket. As of Jan. 3, 20050, 2005, the company operated 1,134 stores in 19 states under the brand names Checker Auto Parts, Schuck's Auto Supply and Kragen Auto Parts.